2140445142542 has 16 divisors (see below), whose sum is σ = 3724100718720. Its totient is φ = 903642085368.

The previous prime is 2140445142461. The next prime is 2140445142581. The reversal of 2140445142542 is 2452415440412.

It is a junction number, because it is equal to n+sod(n) for n = 2140445142496 and 2140445142505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140961292 + ... + 1140963167.

It is an arithmetic number, because the mean of its divisors is an integer number (232756294920).

Almost surely, 2^{2140445142542} is an apocalyptic number.

2140445142542 is a deficient number, since it is larger than the sum of its proper divisors (1583655576178).

2140445142542 is a wasteful number, since it uses less digits than its factorization.

2140445142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281924535.

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 2140445142542 in words is "two trillion, one hundred forty billion, four hundred forty-five million, one hundred forty-two thousand, five hundred forty-two".